理学 网络体系结构 释 wide area network 广域网 连接不同地区局域网或城域网计算机通信的远程网。其所覆盖的范围从几十公里到几千公里，它能连接多个地区、城市和国家，或横跨几个洲并能提供远距离通信，形成国际性的远程网络。广域网是互联网的核心部分，但并不等同于互联网。
网络与数据通信 协议体系与组成结构 释文 wide area network, WAN 广域网
- brazing filler metal
- brazing materials
- brazing technology
- Brazza-Makoko Treaty
- Brazzaville
- Brazzaville Group
- BRB
- BRD
- BRDF
- bread
- bread board
- breadboard
- bread crumb navigation
- breadfruit
- Bread & Puppet Theatre Company
- bread shaping machine
- breadth
- breadth first analysis
- breadth-first parsing
- breadth-first rule
- breadth first search
- breadth-first search
- breadth first search, BFS
- breadth of mind
- breadth of spectral line